Adaptec Serial Attached SCSI End User Manual page 10

Putting Serial Attached SCSI to Work for You
Server
SAS HBA
SAS EXPANDER
Server
SAS HBA
Solution Elements:
Servers
Dual SAS controllers — either controller will work, depending on application needs
Cascaded external SAS expanders, when available
Daisy-chained SAS JBOD enclosures
Dual-redundant paths directly to SAS disks
Expansion for up to five enclosures per expander
Scalable, SAN with SAS/SATA disk drives
5. High-Performance, Highly-Available, and Scalable Fibre Channel SAN with
SAS/SATA disk drives
Application: Fibre Channel SANs with the flexibility to choose the performance of SAS
disks or low-cost, high-density SATA disk drives
This solution combines a Fibre Channel switch, Fibre Channel host bus adapters, and an
external array that can be used with SAS or SATA disks to build a complete SAN.
FC HBA
FC HBA
SERVER 1
FC HBA
FC HBA
SERVER 2
Solution elements:
Two Servers
Two Fibre Channel HBAs
Fibre Channel Switch
12-Drive SAS/SATA RAID external enclosure with single or dual controller options
S A S
SAS External JBODs
SAS EXPANDER
SAS EXPANDER
SAS EXPANDER
SAS EXPANDER
FC SWITCH
FC SWITCH
E N D - U S E R G U I D E
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SAS/SATA
STORAGE ARRAY